She is a well­known doctor now, but she ________ as a cleaner at the hospital for five years

27. When he heard the news, his heart ______ very fast.

Mary is tired of learning because she is_______ to do better than she, both at school and at home.

Jack fell off the ladder yesterday, but he is all right now? —What a lucky dog! He _________ himself badly.

I think we’ll give Bob a ring.– We ______ . We have been out of touch with him for ages.